showed newark's democratic mayor cory booker holding a double- digit lead over his republican opponent, steve lonegan. the winner takes the seat of democratic senator frank lautenberg, who died last june. >> ifill: also ahead on the "newshour": an interview with italy's prime minister; rounding-up wild horses in new mexico; iran comes to the negotiating table over its nuclear program and a new book on jazz great charlie parker. >> woodruff: now that a deal appears to be at hand, the doomsday scenario that had alarmed the international community seems to have been averted, at least for a while. over the weekend, international monetary fund chief christine lagarde had said that a failure to come to an agreement over the u.s. debt would mean massive disruption the world over. and we would be at risk of tipping yet again, into recession. tonight, we get reaction to the proposed deal and the fight that led up to it from the leader of europe's fourth largest economy, italian prime minister enrico letta. i spoke to him a short time ago. prime minister enrico letta, welcome to the newshour. >> thank